living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: 4k;54p;156c;911o;7123f;17,575g;4762s;36ss;8v;19; ‡1f;6g;7s;1ss; †1c;10o;10f;19g;1s
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
  Count: [c] 2k;51p;154c;900o;7001f;17,209g;4300s;33ss;8v; ‡1f;6g;7s;1ss; †1c;10o;10f;19g;1s
     Kingdom Animalia Linnaeus, 1758 - animals
    Count: [c] 38p;101c;595o;5766f;13,419g;3233s;32ss;3v; ‡1f;6g;7s;1ss; †1c;9o;10f;16g;1s
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
      Count: [c] 29p;70c;458o;5094f;11,476g;2933s;31ss;3v; ‡1f;6g;7s;1ss; †1c;8o;10f;11g;1s
         Phylum Chordata Bateson, 1885 - chordates
        Count: [o] 10c;115o;905f;3134g;786s;13ss; ‡1f;6g;7s;1ss; †1c;3o;2f;1g
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
          Count: [f] 7c;109o;885f;3075g;781s;13ss; ‡1f;6g;7s;1ss; †1c;3o;2f;1g
             1 Class †Placodermi McCoy, 1848
            Count: -
             2 Class Agnatha Cope, 1889
            Count: [f] 2o;2f;6g;1s
             3 Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
            Count: 14o;51f;133g;15s
             4 Class Osteichthyes Huxley, 1880 - bony fishes see [unranked] Euteleostomi
            Count: 35o;434f;1220g;256s
             5 Class Amphibia Linnaeus, 1758 - amphibians see Class Amphibia Gray, 1825
            Count: [f] 3o;36f;154g;19s;1ss
             6 Class Reptilia Linnaeus, 1758 - reptiles
            Count: [f] 4o;46f;210g;31s;1ss
             7 Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
            Count: 29o;178f;600g;61s; ‡1f;5g;5s; †3o;2f;1g
             8 Class Mammalia Linnaeus, 1758 - mammals
            Count: [f] 22o;138f;752g;398s;11ss; ‡1g;2s;1ss